Free Online JSON Formatter

Format compact or messy JSON with readable two-space indentation.

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About This Tool

The JSON Formatter turns compact or messy JSON into readable, indented JSON. It helps developers, QA testers, API users, and technical writers inspect response bodies, config files, and copied JSON snippets faster.

Benefits and Use Cases

  • Beautify API responses and webhook payloads
  • Format compact JSON from logs or dashboards
  • Make configuration snippets easier to read
  • Inspect JSON locally in the browser

How to Use

  1. Paste JSON into the input box.
  2. Click Format JSON.
  3. Copy the formatted output.

Frequently Asked Questions

Does this validate JSON too?

Yes. Invalid JSON will show an error instead of formatted output.

Is my JSON uploaded?

No. Formatting runs in your browser.

What indentation does it use?

It uses two-space indentation.